--- a/src/ai/api/ai_tile.hpp	Tue Apr 08 07:19:02 2008 +0000
+++ b/src/ai/api/ai_tile.hpp	Tue Apr 08 07:24:23 2008 +0000
@@ -24,13 +24,10 @@
 		ERR_TILE_BASE = AIError::ERR_CAT_TILE << AIError::ERR_CAT_BIT_SIZE,
 
 		/** Tile can't be raised any higher */
-		ERR_TILE_TOO_HIGH,                     //< [STR_1003_ALREADY_AT_SEA_LEVEL]
+		ERR_TILE_TOO_HIGH,                     // [STR_1003_ALREADY_AT_SEA_LEVEL]
 
 		/** Tile can't be lowered any lower */
-		ERR_TILE_TOO_LOW,                      //< [STR_1003_ALREADY_AT_SEA_LEVEL]
-
-		/** Tile can't be raised or lowered because it is to close to the map */
-		ERR_TILE_TOO_CLOSE_TO_EDGE,            //< [STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP]
+		ERR_TILE_TOO_LOW,                      // [STR_1003_ALREADY_AT_SEA_LEVEL]
 	};
 
 	/**
@@ -161,9 +158,9 @@
 	 * @param tile The tile to raise.
 	 * @param slope Corners to raise (SLOPE_xxx).
 	 * @pre AIMap::IsValidTile(tile).
-	 * @exception AIERROR::ERR_AREA_NOT_CLEAR
-	 * @exception AITILE::ERR_TILE_TOO_HIGH
-	 * @exception AITILE::ERR_TILE_CLOSE_TO_EDGE
+	 * @exception AIError::ERR_AREA_NOT_CLEAR
+	 * @exception AIError::ERR_TOO_CLOSE_TO_EDGE
+	 * @exception AITile::ERR_TILE_TOO_HIGH
 	 * @return 0 means failed, 1 means success.
 	 */
 	static bool RaiseTile(TileIndex tile, int32 slope);
@@ -174,9 +171,9 @@
 	 * @param tile The tile to lower.
 	 * @param slope Corners to lower (SLOPE_xxx).
 	 * @pre AIMap::IsValidTile(tile).
-	 * @exception AIERROR::ERR_AREA_NOT_CLEAR
-	 * @exception AITILE::ERR_TILE_TOO_LOW
-	 * @exception AITILE::ERR_TILE_CLOSE_TO_EDGE
+	 * @exception AIError::ERR_AREA_NOT_CLEAR
+	 * @exception AIError::ERR_TOO_CLOSE_TO_EDGE
+	 * @exception AITile::ERR_TILE_TOO_LOW
 	 * @return 0 means failed, 1 means success.
 	 */
 	static bool LowerTile(TileIndex tile, int32 slope);
@@ -185,7 +182,7 @@
 	 * Destroy everything on the given tile.
 	 * @param tile The tile to demolish.
 	 * @pre AIMap::IsValidTile(tile).
-	 * @exception AIERROR::ERR_AREA_NOT_CLEAR
+	 * @exception AIError::ERR_AREA_NOT_CLEAR
 	 * @return True if and only if the tile was demolished.
 	 */
 	static bool DemolishTile(TileIndex tile);